hi friends any body please help me i am going to write rrb examination for tecnical trade mech. pls tell me perfect authour name and publicataions for rrb objective type mech engg or any other options to prepare

2 Answers   IUAC, RRB,

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What is the difference between machine and machine tool?

28 Answers  

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What is mean by NPSH? why NPSH available should be more than NPSH required for pump?

2 Answers   Lupin,

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Can anyone tell the exact hot water generator load calculation for central airconditioning. pls mail me at azeemk30@gmail.com

0 Answers  

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Function of vaccum breaker in Condesor of STG ,and what is the interlocks for opening it.

1 Answers   Ambuja,

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Hi i am riyaz ahmed . i got rejected for first time and i nedd to apply for next time and can i apply in 1 or 2 week . and wt abt my sevies fee ? i should make a new once shill i go with the same and wt docement i should change can u plz help me out and my mail it is royalriyaz@gmail.com

0 Answers  

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what is the use of vanadium (non metal) ?

4 Answers  

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Lowest temp in vapour compression cycle in :(Ans:Expansion devices) Contineous welding is type of :(Seam Welding) refrigerant in domestic Refrigerator:(R 134 A) Lowest critical temp of refrigerant:(Freon) Statement....this is .....law:(Avagadros law) Ratio reynold no to prandtl no is:(Pecelent no) if welding is done from right to left then what is the name welding:(Not known) slip gauges are made up of:(alloy steel) clearence between meeting surfaces is due to which gauges: question on rubby laser,rake angle,heat treatment processes,joules law,bell coleman cycle like a/c works on which cycle?

2 Answers   Hitachi,

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please send me model question papers for DVC Examination diploma mechanical

0 Answers  

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1hp=how much rpm

2 Answers   Fiat, MAHINDRA,

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wt is spot welding ? wt is its working principle?

2 Answers  

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how an universal testing machine working?

1 Answers   HCL, UPSC,

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